Ask a fund manager how they'd know if a portfolio company's co-founder quietly left, and most will admit the honest answer: they'd probably find out from LinkedIn, days or weeks after it happened, if they found out at all. Founder updates cover what the founder chooses to report, on the founder's schedule. Everything that happens around the company - a competitor raising a bigger round, a product recall, a glowing press mention, a lawsuit - arrives by accident, or not at all.
Most fund managers solve this the same way, independently, without ever comparing notes: they build a folder. A Notion page, a shared doc, a personal note-to-self channel, where articles and links about portfolio companies get pasted "just in case an LP asks." It's not a bad instinct. It's usually the first thing a fund manager does once they've been caught flat-footed on a call once.
The folder works until someone needs an answer, live
The failure mode isn't that the folder is empty. It's that the folder is full, and still useless in the moment that matters. An LP asks, on a call, what's happening with a specific company. The fund manager knows they saved something about it - three weeks ago, in the folder, under a title they don't remember. Scrolling a personal archive while someone is waiting on the other end of a call is not the same as having an answer ready.
What's actually happening: the folder solves capture and ignores retrieval. Saving a link takes ten seconds. Finding the right link, six weeks later, under time pressure, is a different problem entirely - and it's the one that actually shows up on the call.
It gets worse the less control you have
There's a specific version of this that compounds. When another investor is the lead on a position, they control most of the primary information flow - board seats, detailed financials, the founder's direct attention when something changes. As that relationship matures past the first year or two, the amount of detail that reaches a non-lead investor tends to thin out, not because anyone is hiding anything, but because the founder's reporting energy naturally goes toward whoever's in the room.
For those positions specifically, external signals aren't a supplement to what the fund already knows - they're close to the whole picture. A fund manager who isn't systematically capturing news, launches, and public mentions on non-lead positions is often flying blind on exactly the companies where they have the least other visibility.